Mozilla Firefox 77 is a fast, secure and easy to use web browser.As it is powered by a new Quantum engine, Firefox has doubled its speed. And the result of that is the new generation of Web discovery - a more intuitive and useful browser.

At Firefox, we know that you’re looking for the fastest web browser out there. You need to load web pages quickly and work at top speed. To make sure the Firefox Quantum (‘57) is the fastest Firefox yet, we ran some tests*.

1. Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.
2. The updated Firefox Quantum is now available to download for Linux, Microsoft Windows, and Apple’s Mac systems. Mozilla is undoubtedly one of the best and popular web browser available for different systems. The browser has received a new update with even more features and functions for.

The tests compared Firefox Quantum (57)’s speed and memory against previous versions of Firefox, and of Chrome. They found that while results varied based on your computer and the apps you’re using, Firefox Quantum was approximately 2x faster than any previous version of Firefox.

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Test 1:
Conducted on September 19, 2017 using Surface Laptop (Processor: Intel Core i7 / Memory: 8GB / Storage: 256GB ), a new Firefox profile, and no other apps or tabs running.

Firefox Quantum (57.0 b1 64-bit)
Firefox 52 (52.0 64-bit)

Test 2
Conducted on September 20, 2017 using MacBook Pro (15-inch, 2016) (2.9GHz Intel Core i7 / 16GB 2133 MHz LPDDR3 / 1TB PCIe SSD ), a new Firefox profile, and no other apps or tabs running.

Firefox Quantum (57.0 b1 64-bit)
Firefox 52 (52.0 64-bit)
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In addition to speed testing, Firefox’s “just right” multi-process architecture results in Firefox Quantum consuming roughly 30% less RAM than Chrome.

Firefox Quantum Download 64 Bit For Mac

To compare memory usage, the atsy project was used to load 30 pages, each in its own tab, with 10 seconds in between loads and 60 seconds of settle time at the end. Then memory usage was measured for the various processes that each browser spawns during that time.

The new Firefox. Fast for good.

With 2x the speed, built-in privacy protection and Mozilla behind it, the new Firefox is the better way to browse. Get the new Firefox.

Mozilla Firefox Quantum Download

Mozilla is the not-for-profit behind Firefox, the original alternative browser. We create products and policy to keep the internet in service of people, not profit.